%^=% {refer}

Power In Place

Description

Change the value of an object on the search path through exponentiation Equivalent to '^=' in other languages. See incr for details on implementation.

Usage

x %^=% value

Arguments

x

object to be modified; can be a symbol, character, or extraction language object.

value

value with which to change x by

Value

the new value of x, invisibly

Examples

x <- 10
x %^=% 2
identical(x, 100)  # TRUE